Holybro Docs
Technical Specification
Processors & Sensors
- FMU Processor: STM32H743
• 32 Bit Arm® Cortex®-M7, 480MHz, 2MB memory, 1MB SRAM - IO Processor: STM32F103
• 32 Bit Arm® Cortex®-M3, 72MHz, 64KB SRAM - On-board sensors
• Accel/Gyro: ICM-42688-P
• Accel/Gyro: BMI055
• Mag: IST8310
• Barometer: MS5611
Electrical data
- Voltage Ratings:
• Max input voltage: 6V
• USB Power Input: 4.75~5.25V
• Servo Rail Input: 0~36V - Current Ratings:
• Telem1 Max output current limiter: 1.5A
• All other port combined output current limiter: 1.5A
Mechanical data
- FC Module Connector Type: Panasonic-AXK5S-6S
- Dimensions: N/A
- Weight: N/A
Interfaces
- 16- PWM servo outputs (8 from IO, 8 from FMU)
- 3 general purpose serial ports
• Telem1 – Full flow control, separate 1.5A current limit
• Telem2 – Full flow control
• Telem3 - 2 GPS ports
• GPS1 – Full GPS port (GPS plus safety switch)
• GPS2 – Basic GPS port - 1 I2C port
• Supports dedicated I2C calibration EEPROM located on sensor module - 2 CAN Buses
- 2 Debug port
• FMU Debug
• I/O Debug - Dedicated R/C input for Spektrum / DSM and S.BUS, CPPM, analog / PWM RSSI
- Dedicated S.BUS output
- 2 Power input ports (Analog)
Other Characteristics
- Operating temperature: -40 ~ 85°c
